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How to Tell if Your Dog is Barking Due to Separation Anxiety. Setting up a pet camera, like a Furbo Dog Camera , makes determining whether your dog suffers from separation anxiety much easier. Having video means you can monitor what your dog does when they are left alone.

If your dog is struggling with barking due to the lack of socialization, the number one way to acclimate them to human socialization is through exposure. Invite as many people as you can to your house at different times, asking them to be very affectionate and provide treats.
Puppies and dogs may bark due to the need to go to the bathroom. The key here is to handle toileting times calmly so that the dog doesnt associate barking with playing.

Expert dog trainer Adrienne Farricelli explains what causes dogs to bark at what seems like nothing and offers tips on how to address the behavior.
Excessive barking due to separation anxiety can happen when the dog is left alone or the owner is away. The barking will usually occur along with at least one other separation anxiety symptom, such as pacing, destruction, elimination, depression or other signs of distress.